#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>

int main() {
    double height;
    double weight;
    scanf("%lf %lf", &weight, &height);
    double BMI = weight / (height * height);
    if (BMI >= 18.5 && BMI <= 23.9)
        printf("Normal");
    else
        printf("Abnormal");
    return 0;
}